external.h

来自「根据I2C协议传输的源代码」· C头文件 代码 · 共 9 行

extern struct sI2C I2C;

extern void SPEECH(unsigned char ucNumber);
extern void SPEECH_INITIAL(void);
extern unsigned char SPEECH_BUSY(void);
extern void SPEECH_VOLUME(unsigned char ucVolume);
extern void SpeechPlay(void);
extern void INTERRUPT_TIMER1_I2C(void);